Click on the I WANT IN BUTTON, and if you haven’t opted-in for the campaign previously, follow the instructions to opt-in (note: all opt-ins must confirm an eligible US cell phone number to participate). Once you’ve opted-in, you’re in! When it does, they will send you an email or text (depending on your preference selected at opt-in) letting you know the Quikly is live. You can receive 3 minutes advanced notice that the Quikly is about to go live for every person who opts-in from your referral through the referral page. Be one of the first to claim the Quikly once it goes live.

Entry Limit: one opt-in per person. Anyone attempting to obtain more than 1 opt-in by any method will be disqualified.

All participants must verify a working U.S. cell phone number and have text message capabilities from U.S. Short Codes.

The grand prize (five $100 gift cards), first (one $100 gift card) and second (one $50 gift card) prizes do not expire. All other prizes are promotion e-gift cards which are valid through June 2nd, 2016 at 11:59 pm ET.
To redeem on dominos.com:

Click “Yes, I have a Domino’s Gift Card or Promotional Card” when you’re on the checkout page